<template>
  <div>
    <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="7">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            class="input-with-select"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表区 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="username" label="姓名"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <!-- scope.row就是当前行的数据 -->
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button
              size="mini"
              type="primary"
              icon="el-icon-edit"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              size="mini"
              type="danger"
              icon="el-icon-delete"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                size="mini"
                type="warning"
                icon="el-icon-setting"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog
            title="添加用户"
            :visible.sync="addDialogVisible"
            width="50%"
            @close="addDialogClosed">
            <!-- 内容主体区域 -->
            <el-form :model="addForm" :rules="addFormrRules" ref="addFormRef" label-width="80px">
                    <el-form-item label="用户名" prop="username">
                        <el-input  v-model="addForm.username"></el-input>
                    </el-form-item>
                    <el-form-item label="用户密码" prop="password">
                        <el-input  v-model="addForm.password"></el-input>
                    </el-form-item>
                    <el-form-item label="邮箱" prop="email">
                        <el-input  v-model="addForm.email"></el-input>
                    </el-form-item>
                    <el-form-item label="手机号" prop="mobile">
                        <el-input  v-model="addForm.mobile"></el-input>
                    </el-form-item>
            </el-form>
            <!-- 底部区域 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
    </el-dialog>
    <!-- 编辑修改用户的对话框 -->
      <el-dialog
          title="编辑用户"
          :visible.sync="editDialogVisible"
          width="50%"
          @close="editDialogClosed"
          >
          <el-form :model="editForm" :rules="editFormrRules" ref="editFormRef" label-width="70px">
              <el-form-item label="用户名">
                  <el-input  v-model="editForm.username" disabled></el-input>
              </el-form-item>
              <el-form-item label="邮箱" prop="email">
                  <el-input  v-model="editForm.email"></el-input>
              </el-form-item>
              <el-form-item label="手机" prop="mobile">
                  <el-input  v-model="editForm.mobile"></el-input>
              </el-form-item>
          </el-form>
          <span slot="footer" class="dialog-footer">
              <el-button @click="editDialogVisible = false">取 消</el-button>
              <el-button type="primary" @click="editUserInfo">确 定</el-button>
          </span>
      </el-dialog>
    <!-- 分配角色的对话框 -->
      <el-dialog
        title="分配角色"
        :visible.sync="setRoleDialogVisible"
        width="50%"
        @close="setRoleDialogClosed">
        <div>
          <p>当前的用户: {{userInfo.username}}</p>
          <p>当前的角色: {{userInfo.role_name}}</p>
          <p>分配新角色: 
            <el-select v-model="selectedRoleId" placeholder="请选择">
              <el-option
                v-for="item in rolesList"
                :key="item.id"
                :label="item.roleName"
                :value="item.id">
              </el-option>
            </el-select>
          </p>
        </div>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRoleDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        </span>
    </el-dialog>
  </div>
</template>

<script>
import { getUserList, getUserState ,addUser,editUser,getUserId,deleteUser,rolesList,saveRoleInfo} from "@/api";
export default {
  name: "Users",
  data() {
    // 验证邮箱的规则
    var checkEmail = (rule,value, cb) => {
        // 验证邮箱的规则
        const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
        if(regEmail.test(value)){
            // 合法的邮箱
            return cb()
        }
        cb(new Error('请输入合法的邮箱'))
    }
    // 验证手机号的规则
    var checkMobile = (rule,value, cb) => {
        // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if(regMobile.test(value)){
            // 合法的手机号
            return cb()
        }
      cb(new Error('请输入合法的手机号'))
    }

    return {
      // 获取用户列表的参数
      queryInfo: {
        query: "",
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 2,
      },
    //   用户列表数据
      userlist: [],
    //   用户总条数
      total: 0,
    //   控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
    //   添加用户的表单数据
      addForm:{
        username:'',
        password:'',
        email:'',
        mobile:''
      },
    //   添加表单的验证规则对象
    addFormrRules:{
        username: [
            { required: true, message: '请输入用户名', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
          ],
        password: [
            { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ],
        email: [
            { required: true,message: '请输入邮箱',trigger: 'blur' },
            {validator:checkEmail,trigger: 'blur'}
          ],
        mobile: [
            { required: true,message: '请输入手记号',trigger: 'blur' },
            {validator:checkMobile,trigger: 'blur'}
          ],
      },
    //   控制修改用户对话框的显示与隐藏
      editDialogVisible:false,
    //   点击编辑根据按钮id查询到的用户对象
      editForm:{},
    //   修改表单的验证规则对象
      editFormrRules:{
        email: [
            { required: true,message: '请输入邮箱',trigger: 'blur' },
            {validator:checkEmail,trigger: 'blur'}
          ],
        mobile: [
            { required: true,message: '请输入手记号',trigger: 'blur' },
            {validator:checkMobile,trigger: 'blur'}
          ],
      },
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible:false,
      // 需要被分配角色的用户信息
      userInfo:{},
      // 所有角色列表
      rolesList:[],
      // 已选中的角色id值
      selectedRoleId:''
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    // 获取用户列表
    getUserList() {
        // { params: this.queryInfo }
        // aaa = { params: this.queryInfo }
        // aaa.params.query
      getUserList({ params: this.queryInfo }).then(({ data: res }) => {
        // console.log(res);
        if (res.meta.status !== 200)
          return this.$message.error("获取用户列表失败");
        this.userlist = res.data.users;
        this.total = res.data.total;
      });
    },
    // 监听pagesize改变的事件
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    // 监听页码值改变的事件
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    // 设置用户状态
    userStateChanged(userinfo) {
      // console.log(userinfo);
      getUserState(userinfo.id, userinfo.mg_state).then(({ data: res }) => {
        // console.log(res);
        if (res.meta.status == 200) {
          this.$message({ message: "设置成功", type: "success" });
        }else{
            userinfo.mg_state = !userinfo.mg_state
            this.$message("状态设置失败");
        }
      });
    },
    //监听添加用户对话框的关闭事件
    addDialogClosed(){
        // 清空表单
        this.$refs.addFormRef.resetFields();
    },
    // 点击确定按钮添加用户
    addUser(){
        this.$refs.addFormRef.validate((valid) => {
          if (valid) {
            // 校验成功发起添加用户请求
            addUser(this.addForm).then(({data:res}) => {
                console.log('add',res);
                if(res.meta.status == 201 ){
                    this.$message({ message: "添加用户成功", type: "success" });
                }else{this.$message("添加用户失败");}
                // 关闭添加用户的对话框
                this.addDialogVisible = false;
                //重新获取用户列表
                this.getUserList()
            })
          }
          
        });
    },
    // 展示编辑用户的对话框
    showEditDialog(id){  
        getUserId(id).then(({data:res})=>{
            // console.log(res);
            if(res.meta.status !== 200){
                return this.$message.error('查询用户信息失败')
            }
            this.editForm = res.data
            this.editDialogVisible = true
        })
    },
    // 监听编辑修改对话框的关闭事件
    editDialogClosed(){
        this.$refs.editFormRef.resetFields();
    },
    // 点击确定按钮修改用户信息
    editUserInfo(){
        this.$refs.editFormRef.validate((valid)=>{
            if(valid){
                // 发起修改用户请求
                editUser(this.editForm.id,{email:this.editForm.email,mobile:this.editForm.mobile}).then(({data:res})=>{
                    if(res.meta.status == 200){
                        this.$message({ message: "更新用户信息成功", type: "success" });
                    }else{this.$message("更新用户信息失败");}
                    // 关闭添加用户的对话框
                    this.editDialogVisible = false;
                    //重新获取用户列表
                    this.getUserList()
                })
            }
        })
    },
    // 根据id删除对应的用户信息
    removeUserById(id){
      this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          deleteUser(id).then(({data:res})=>{
            if(res.meta.status == 200){
              this.$message({ message: "删除用户信息成功", type: "success" });
              }else{this.$message("删除用户信息失败");}
            //重新获取用户列表
            this.getUserList()
          })
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          });          
        });
    },
    // 展示分配角色的对话框
    setRole(userInfo){
      this.userInfo = userInfo
      // 在展示对话框之前,获取所有角色的列表
      rolesList().then(({data:res})=>{
        if(res.meta.status == 200){
          this.rolesList = res.data
        }else{this.$message.error('获取角色列表失败')}
      })
      this.setRoleDialogVisible = true
    },
    // 点击确定按钮修改角色
    saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error('请选择要分配的角色')
      }
      saveRoleInfo(this.userInfo.id,{rid:this.selectedRoleId}).then(({data:res})=>{
        if(res.meta.status == 200){
          this.$message({message: '更新角色成功',type: 'success'});
          this.getUserList()
          this.setRoleDialogVisible = false
        }else{this.$message.error('更新角色失败')}
      })
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed(){
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  },
  mounted() {
    this.getUserList();
  },
};
</script>

<style>
</style>